Research Grade Butyl Methylphosphinate
Research grade butyl methylphosphinate is an ultra-pure form (>99.5%) of butyl methylphosphinate for laboratory synthesis of phosphinate polymers. This non-halogenated organo-phosphorus compound is supplied in small research quantities and is classified under tariff item 2931.49.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
PGA flags (2)Show detailsHide detailsHCActive Pharmaceutical IngredientsMay be requiredHCHuman DrugsMay be required
- HC
Active Pharmaceutical Ingredients · May be required
May require HC Active Pharmaceutical Ingredients depending on intended use (HC13) and Canadian product category (HC01). Matching criteria: Starts With 2931. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
- HC
Human Drugs · May be required
May require HC Human Drugs depending on intended use (HC01, HC02, HC05, HC07) and Canadian product category (HC05). Matching criteria: Starts With 2931. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the compound is halogenated
Halogenated organo-phosphorus derivatives are classified under the residual heading.
If the compound contains a heterocyclic ring with oxygen
Heterocyclic oxygen-containing compounds are classified in heading 29.32.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is labeled as research grade with purity documentation
• If importing small quantities for research, consider whether a controlled substance permit is needed
• Provide the CAS number and chemical structure for customs clearance
Related Products under Tariff item 2931.49.00
Bis(1-methylpentyl) Methylphosphonate
Bis(1-methylpentyl) methylphosphonate is a non-halogenated organo-phosphorus compound featuring phosphorus directly linked to carbon atoms. It is used as a chemical intermediate or additive in various industrial applications. This product is classified under tariff item 2931.49.00 as an other non-halogenated organo-phosphorous derivative.
Butyl Methylphosphinate
Butyl methylphosphinate is a non-halogenated organo-phosphorus compound featuring a phosphorus atom bonded to a butyl group and a methyl group. It serves as a key intermediate in the synthesis of phosphorus-containing ligands and is classified under tariff item 2931.49.00 for 'other' non-halogenated organo-phosphorous derivatives.
Butyl Methylphosphinate Flake Form
Butyl methylphosphinate flake form is the same compound processed into stable flakes with an anti-dusting agent, permitted under Chapter 29 Note 1(g). This non-halogenated organo-phosphorus compound is used in industrial phosphorus chemistry and is classified under tariff item 2931.49.00.
Butyl Methylphosphinate with Stabilizer
Butyl methylphosphinate with stabilizer contains an anti-caking agent for safe transport, permitted under Chapter 29 Note 1(f). This non-halogenated organo-phosphorus compound is used in manufacturing phosphorus-containing ligands for catalysis and is classified under tariff item 2931.49.00.
Dibutyl Phosphite
Dibutyl phosphite is a reactive organophosphorus compound with the formula (BuO)2P(O)H, featuring a phosphorus atom bonded to two butyl groups through oxygen and a direct phosphorus-hydrogen bond. It is used as an intermediate in the production of flame retardants and pesticides. This compound is a non-halogenated organo-phosphorus derivative, falling under tariff item 2931.49.00 as 'Other' organo-inorganic compounds.
Diethylaminoethyl Cyclohexylphosphonite
Diethylaminoethyl Cyclohexylphosphonite is a non-halogenated organo-phosphorus compound featuring a cyclohexyl group and a diethylaminoethyl substituent. It is used as a ligand in transition metal catalysis, particularly in Buchwald-Hartwig coupling reactions. This compound falls under tariff item 2931.49.00 as 'Other' organo-inorganic compounds.